Novak Djokovic chases Masters 1000 title in Cincinnati, Vicky Duval, the concern for mental health problems in tennis and more of the interesting reporting, writing and quipping from around the Internet.

• From Mathieu Vendette, a volunteer ballboy for five years, filmed his last tournament on the job with a GoPro. Watch the video for an interesting look at the life of a ball boy at the Rogers Cup in Montreal:

[youtube=https://www.youtube.com/watch?v=wAXAEvDFAN4​]

• Bryan Armen Graham for The Guardiandetails Vicky Duval's first match in 14 months, her road back to professional tennis after cancer and her goals for the this month's U.S. Open in New York.